Estimation of path length factor for measurement of haemoglobin concentration in the exposed cortical tissue

K. Sakaguchi, T. Tachibana, K. Yokoyama, S. Furukawa, T. Katsura, A. Maki, H. Kawaguchi, Eiji Okada

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The change in oxy- and deoxy haemoglobin in the cortical tissue caused by brain function can be measured from multispectral images of exposed cortex. We cannot ignore the wavelength dependence of mean optical path length of detected light to calculate the accurate changes in concentrations of oxy- and deoxy- haemoglobin in the cortical tissue. The optical path length factor, which reflects the wavelength dependence of mean optical path length, is experimentally estimated from the multi-spectral images of exposed cortex of guinea pigs. The optical path length factor improves the accuracy in changes in concentrations of oxy- and deoxy-haemoglobin obtained from the multi-spectral images.

Original languageEnglish
Title of host publicationProgress in Biomedical Optics and Imaging - Proceedings of SPIE
EditorsK. Licha, R. Cubeddu
Pages1-8
Number of pages8
Volume5859
Publication statusPublished - 2005
EventPhoton Migration and Diffuse-Light Imaging II - Munich, Germany
Duration: 2005 Jun 122005 Jun 16

Other

OtherPhoton Migration and Diffuse-Light Imaging II
CountryGermany
CityMunich
Period05/6/1205/6/16

Fingerprint

Hemoglobin
Tissue
Wavelength
Brain

Keywords

  • Exposed cortex
  • Multi-spectral image
  • Optical path length

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Sakaguchi, K., Tachibana, T., Yokoyama, K., Furukawa, S., Katsura, T., Maki, A., ... Okada, E. (2005). Estimation of path length factor for measurement of haemoglobin concentration in the exposed cortical tissue. In K. Licha, & R. Cubeddu (Eds.), Progress in Biomedical Optics and Imaging - Proceedings of SPIE (Vol. 5859, pp. 1-8). [58590S]

Estimation of path length factor for measurement of haemoglobin concentration in the exposed cortical tissue. / Sakaguchi, K.; Tachibana, T.; Yokoyama, K.; Furukawa, S.; Katsura, T.; Maki, A.; Kawaguchi, H.; Okada, Eiji.

Progress in Biomedical Optics and Imaging - Proceedings of SPIE. ed. / K. Licha; R. Cubeddu. Vol. 5859 2005. p. 1-8 58590S.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sakaguchi, K, Tachibana, T, Yokoyama, K, Furukawa, S, Katsura, T, Maki, A, Kawaguchi, H & Okada, E 2005, Estimation of path length factor for measurement of haemoglobin concentration in the exposed cortical tissue. in K Licha & R Cubeddu (eds), Progress in Biomedical Optics and Imaging - Proceedings of SPIE. vol. 5859, 58590S, pp. 1-8, Photon Migration and Diffuse-Light Imaging II, Munich, Germany, 05/6/12.
Sakaguchi K, Tachibana T, Yokoyama K, Furukawa S, Katsura T, Maki A et al. Estimation of path length factor for measurement of haemoglobin concentration in the exposed cortical tissue. In Licha K, Cubeddu R, editors, Progress in Biomedical Optics and Imaging - Proceedings of SPIE. Vol. 5859. 2005. p. 1-8. 58590S
Sakaguchi, K. ; Tachibana, T. ; Yokoyama, K. ; Furukawa, S. ; Katsura, T. ; Maki, A. ; Kawaguchi, H. ; Okada, Eiji. / Estimation of path length factor for measurement of haemoglobin concentration in the exposed cortical tissue. Progress in Biomedical Optics and Imaging - Proceedings of SPIE. editor / K. Licha ; R. Cubeddu. Vol. 5859 2005. pp. 1-8
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